Refactor system page in GUI Alpha.

src/utilities/InputFormatValidator.cpp

@@ -0,0 +1,15 @@
+#include "InputFormatValidator.h"
+
+#include <QRegularExpression>
+
+bool InputFormatValidator::ValidateIpAddressFormat(const QString& aIpAddress)
+{
+    QRegularExpression regex("^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$");
+    return regex.match(aIpAddress).hasMatch();
+}
+
+bool InputFormatValidator::ValidatePortFormat(const QString& aPort)
+{
+    QRegularExpression regex("^([1-9]\\d{0,4}|0)$");
+    return regex.match(aPort).hasMatch();
+}